OOIR: Observatory of International Research

Papers

(The TQCC of Electronic Journal of Linear Algebra is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
Recovering the characteristic polynomial of a graph from entries of the adjugate matrix	17
The Moore-Penrose inverse of the distance matrix of a helm graph	10
The angular spectrum of the $\boldsymbol{3\times 3}$ copositive cone	8
On the sum of the k largest absolute values of Laplacian eigenvalues of digraphs	8
On solutions of matrix equation ${AX=B}$ over a Bezout domain	7
The algebra generated by nilpotent elements in a matrix centralizer	6
Decompositions of matrices into a sum of invertible matrices and matrices of fixed nilpotence	5
Group inverses of matrices of directed trees	5
Remarks on "Comparison between the Laplacian energy-like invariant and the Kirchhoff index''	5
The maximal angle between 5×5 positive semidefinite and 5×5 nonnegative matrices	4
The Laplacian matrix of weighted threshold graphs	4
The copositive range	4
New sufficient conditions for subdirect sums of Nekrasov matrices	4
On condition numbers of quaternion matrix inverse and quaternion linear systems with multiple right-hand sides	4
The non-symmetric strong multiplicity property for sign patterns	3
On the rank of m×2×2 and m×3×2 tensors over arbitrary fields	3
Accurate computations with totally positive matrices applied to the computation of Gaussian quadrature formulae	3
The vertex connectivity and the third largest eigenvalue in regular (multi-)graphs	3
Eigenvalues for stochastic matrices with a prescribed stationary distribution	3
New results on $M$-matrices, $H$-matrices and their inverse classes	3
Schur functions and immanantal identities	3
Flag-shaped blockers of 123-avoiding permutation matrices	3
Extremal spectral radii of uniform supertrees	2
Kronecker products of Perron similarities	2
Trees with maximum sum of the two largest Laplacian eigenvalues	2

Multiplicativity of permanents over matrix semirings	2
Flat portions on the boundary of the numerical range of a 5 × 5 companion matrix	2
Commuting additive maps on upper triangular and strictly upper triangular infinite matrices	2
Probabilistic zero forcing with vertex reversion	2
Is the bounded rank perturbations problem for matrix pencils just a completion problem?	2
A note on the boundary of the Birkhoff-James ε-orthogonality sets	2
An extension of the Perron-Frobenius theory to arbitrary matrices and cones	2
Concave function inequalities for sum of matrices	2
Spectral conditions for rainbow matchings of bipartite graphs	2
Lyapunov-like transformations on the tensor product of nuclear pairs of proper cones	2
Adapted AZNN methods for time-varying and static matrix problems	2
Eigenvalues and component factors in graphs	2
Sign patterns of rational matrices with large rank II	2
Preservers of the p-power and the Wasserstein means on 2x2 matrices	2
Linear maps that preserve parts of the spectrum on pairs of similar matrices	1
Positive and negative square energies of graphs	1
Graph products that allow two distinct eigenvalues	1
The maximum spectral radius of graphs with a large core	1
Strong cospectrality and twin vertices in weighted graphs	1
More inequalities for positive semidefinite matrices	1
Majorization inequalities via convex functions	1
On $m$-th roots of nilpotent matrices	1
Relation between the row left rank of a quaternion unit gain graph and the rank of its underlying graph	1
Reverse order law and forward order law for the (b, c)-inverse	1
A new weighted spectral geometric mean and properties	1
A note on semiscalar equivalence of polynomial matrices	1
On the numerical range of Kac-Sylvester matrices	1
Token graphs of Cayley graphs as lifts	1
A note on commuting additive maps on rank k symmetric matrices	1
A new method to improve the efficiency and accuracy of incremental singular value decomposition	1
Inverse eigenvalue and related problems for hollow matrices described by graphs	1
Semirings in which the permanent of invertible matrices is multiplicative	1
Semipositivity with respect to the Lorentz cone	1
Characterizations of complex P-matrices	1
Characterization of invariant subspaces for a nilpotent linear operator that admit complementary invariant subspaces	1
The allow sequence of distinct eigenvalues for a sign pattern	1
A note on bounds for eigenvalues of nonsingular H-tensors	1
Numerical range for weighted Moore-Penrose inverse of tensor	1
On dimensions of maximal faces of completely positive cones	1
Inverse of the squared distance matrix of a complete multipartite graph	1
Fillmore's theorem and sums of nilpotent quaternion matrices	1
The products of involutions in a matrix centralizer	1
The matrix inverse Young inequality	1
Matrices having nonzero outer inverses	1
The Smith normal form of Hadamard matrices from Paley's second construction	1
Minimal rank weighted weak Drazin inverses	1
Godsil-McKay switchings for gain graphs	1
Principal eigenvectors in hypergraph Turán problems	1
Upper bounds on the algebraic connectivity of graphs	1
Versal deformations: a tool of linear algebra	1

The Hamiltonian extended Krylov subspace method	1
11 can be reduced to 10	1
The Graham-Hoffman-Hosoya-type theorems for the exponential distance matrix	1
Multi-alternating sign matrices	1
Near-bipartite Leonard pairs	1